[llvm-branch-commits] [llvm] release/21.x: [HEXAGON] [MachinePipeliner] Fix the DAG in case of dependent phis. (#135925) (PR #170749)

[Ikhlas Ajbar via llvm-branch-commits]

https://github.com/iajbar approved this pull request.

Please merge this correctness fix. Thank you.

https://github.com/llvm/llvm-project/pull/170749